Renamed: potato.java -> Potato.java

src/Potato.java

@@ -0,0 +1,42 @@
+import java.util.List;
+import java.util.ArrayList;
+
+public class Potato {
+
+  private final List<Condiment> condiments = new ArrayList<Condiment>();
+
+  public static void main(String[] args) {
+    Potato potato = new Potato();
+    if (potato.prepare()) System.out.println("Of course potato is prepared and delicious.");
+    else System.out.println("Fatal error! How could potato not be delicious?");
+  }
+
+  public boolean prepare() {
+    this.addCondiment("sour cream");
+    this.addCondiment("chives");
+    this.addCondiment("butter");
+    return this.isDelicious();
+  }
+
+  public void addCondiment(String name) {
+    synchronized (condiments) {
+      condiments.add(new Condiment(name));
+    }
+  }
+
+  public boolean isDelicious() {
+    return true; // obviously, potatos are always delicious
+  }
+
+  private class Condiment {
+    private final String name;
+
+    public Condiment(String name) {
+      this.name = name;
+    }
+
+    public String getName() {
+      return this.name;
+    }
+  }
+}